It could be difficult for human civilization to survive a global catastrophe like rapid climate change, nuclear war, or a pandemic disease outbreak. But imagine if two catastrophes strike at the same time.

UPDATE Breton National Wildlife Refuge Closed to Public Entry LOUISIANA -- The U.S. Fish and Wildlife Service (Service) has closed the Breton Natio...

Editor's Note: This post has been removed from the Huffington Post....

U.S. Coast Guard Rear Adm. Mary Landry, met with media to discuss the explosion on Wednesday afternoon. Landry said, "I have not been sugarcoating this. It is premature to say it is a catastrophe, but I will say it is serious."

The oil spill is a catastrophe, but risks that are catastrophic scare us more than those that are chronic -- even though in many cases, the chronic risks are far bigger threats.

Editor's Note: This post has been removed from the Huffington Post....

"Drill Baby Drill" Isn't that what you said? I remember the chill that ran up my spine the first time I heard it. I couldn't imagine that anything more painful would ever fall on my ears. I was wrong.